28207818

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{1447}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 66202560

約数和(自身を除く): 37994742

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 1026, 1083, 1447, 2166, 2894, 3249, 4341, 6498, 8682, 9747, 13023, 19494, 26046, 27493, 39069, 54986, 78138, 82479, 164958, 247437, 494874, 522367, 742311, 1044734, 1484622, 1567101, 3134202, 4701303, 9402606, 14103909, 28207818]

約数ペア:

[(1, 28207818), (2, 14103909), (3, 9402606), (6, 4701303), (9, 3134202), (18, 1567101), (19, 1484622), (27, 1044734), (38, 742311), (54, 522367), (57, 494874), (114, 247437), (171, 164958), (342, 82479), (361, 78138), (513, 54986), (722, 39069), (1026, 27493), (1083, 26046), (1447, 19494), (2166, 13023), (2894, 9747), (3249, 8682), (4341, 6498)]